21699865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9623}}^1$

素因数の和:9680

約数の個数: 16

約数和(自身を含む): 29102976

約数和(自身を除く): 7403111

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9623, 48115, 105853, 394543, 529265, 1972715, 4339973, 21699865]

約数ペア:

[(1, 21699865), (5, 4339973), (11, 1972715), (41, 529265), (55, 394543), (205, 105853), (451, 48115), (2255, 9623)]